Calibre RUM vs fastmon RUM

Calibre RUM

Figure	Calibre RUM	fastmon RUM
Price from	$75/mo	€29/mo
Free plan	—	—
Free trial	Yes	Yes
Open source	—	—
Web	Yes	Yes
API	Yes	Yes
Plans published	3	3
Spec score · Real User Monitoring	8.2 (#11)	8.0 (#12)
Audience	Calibre describes its platform as serving SEOs, agencies, product teams, and developers.	The maker describes Light as intended for small shops seeking monitoring and Enterprise as intended for high-traffic teams with custom needs.
Headquarters	Melbourne, Australia	Hannover, Germany
Integrations	Calibre lists integrations including GitHub, Slack, Zapier, Netlify, Render, webhooks, a Node.js API, and a command-line interface.	The site names Shopware and Shopify integrations, and says the script can also be used on WordPress, Magento, TYPO3, Webflow, Next.js, React and other websites that accept a script tag.
Privacy	The RUM script uses no cookies, collects no personal data, and is described as having minimal performance overhead.	In Minimal and Standard modes, fastmon says it sets no cookie and stores nothing on the visitor’s device; Full mode writes an identifier and requires consent under its stated assessment.
Support	The pricing page says every plan includes email support and describes high-priority support as included with the Company plan.	Product support by email is included on every plan, while debugging and performance optimization are offered as consulting.

Calibre RUM has no write-up on Specifiction yet; its figures are above.

fastmon RUM has no write-up on Specifiction yet; its figures are above.